Link for a security chain



FIG. 1 is a perspective view of a link for a security chain according to a preferred embodiment of my new design;

FIG. 2 is a front elevational view of the link for a security chain of FIG. 1, the rear elevational view being a mirror image thereof;

FIG. 3 is a top plan view of the link for a security chain of FIG. 1, the bottom plan view being a mirror image thereof; and,

FIG. 4 is a left side elevational view of the link for a security chain of FIG. 1, the right side elevational view being a mirror image thereof. 

I claim the ornamental design for a link for a security chain, as shown and desribed. 